Using Newton's law of universal gravitation write down an expression for the velocity as a function of timer for an object, initially at rest, falling from the height on Earth.
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Using Newton's law of universal gravitation write down an expression for the velocity as a function of timer for an object, initially at rest, falling from the height on Earth.
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- Two planets in circular orbits around a star have speed of v and 2v . (a) What is the ratio of the orbital radii of the planets? (b) What is the ratio of their periods?The CERN particle accelerator is circular with a circumference of 7.0 km. (a) What is the acceleration of the protons (m=1.671027kg)that move around the accelerator at 5of the speed of light? (The speed of light is v=3.00108m/s .) (b) What is the force on the protons?On a planet whose radius is 1.2107m , the acceleration due to gravity is 18m/s2 . What is the mass of the planet?
- Assume that we have a distant Star-Planet system with no other planets and the Star is the same as the Sun and the planet is the same as the Earth. This is called an "Earth analog system or "Earth twin". The masses and the orbits are the same except you can assume a perfectly circular orbit. A) Calculate the equation for the orbital velocity of a planet on a circular orbit. To do this use the equation for average speed: distance=rate x time. In a circular orbit, the speed is always the same, so you can use a time that is one full orbital period (1 year). What is the distance that a planet on a circular orbit travels in this time? Calculate the speed of the Earth twin in meters/second. Mass of the sun: 2 x 1030 kg. Mass of the Earth: 5.97 x 1024kg (Note: I think I understand how to use the distance= rate x time, but I'm not sure what to input for rate in this situation. I am also not sure how to calculate the speed of the Earth twin. Someone also answered this question but they did…Assume that we have a distant Star-Planet system with no other planets and the Star is the same as the Sun and the planet is the same as the Earth. This is called an "Earth analog system or "Earth twin". The masses and the orbits are the same except you can assume a perfectly circular orbit. A) Calculate the equation for the orbital velocity of a planet on a circular orbit. To do this use the equation for average speed: distance=rate x time. In a circular orbit, the speed is always the same, so you can use a time that is one full orbital period (1 year). What is the distance that a planet on a circular orbit travels in this time? Calculate the speed of the Earth twin in meters/second. Mass of the sun: 2 x 1030 kg. Mass of the Earth: 5.97 x 1024kg (Note: I think I understand how to use the distance= rate x time, but I'm not sure what to input for rate in this situation. I am also not sure how to calculate the speed of the Earth twin)What would an observer inside an elevator measure for the free‑fall acceleration ay near the surface of Earth if the elevator accelerates downward at 7.00 m/s2? Define the positive direction of motion as upward, away from Earth's surface.
- Мon Gravity: on off O Gravity Force Velocity > Path U Grid Star Mass 0.5 Our Sun 1.5 2.0 Planet Mass 0.5 Earth 1.5 2.0 Fast 392 Earth Days Normal Clear SlowAssume there is a distant star-planet system with no other planets and the Star is the same as the Sun and the planet is the same as Earth (this is called and Earth analog or "Earth Twin"). The mass and orbits are the same, but assume this system has a perfectly circular orbit. a) calculate the equation for the orbital velocity of a planet on a circular orbit. What is the distance that a planet on a circular orbit travels in this time? Calculate the speed of the Earth twin in meters/secondMars has a Known radius of 3390 Km. Somebody threw a baseball at 990 Km/hr and it orbited the planer succesfuly. a) determine the period of orbit in secords b) Determine the gravitational field strength on Mars in N/Kg (how can I do that if I don´t have the mass of Mars)
- magnitude gravitational force (between a planet with mass 9.00 * 10 ^ 24 and moon, with 2.40 * 10 ^ 22 average distance between their canters 2.10 * 10 ^ 8* m b) ? is the moon's acceleration in m/s^ 2 ) toward the planet(Enter the magnitude. ) m/s^ 2 the planets acceleration (in m/s^ 2 ) the moon?Determine the simplified ratio of the velocities of a low Earth orbit satellite travelling 300 km above the Earth's surfact and a geostationary satellite travelling 35700 km above the Earth's surface.The mean radius of earth from the Sun is 0.67 times the mars mean distancxe of mars from the sun. What is the time (in years) for mars to orbit the sun?